# Copyright 2024-2025 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2

EAPI=8

inherit go-module systemd shell-completion

_PV="${PV/_/-}"
_PV="${_PV/alpha/alpha.}"
_PV="${_PV/beta/beta.}"
_PV="${_PV/rc/rc.}"

DESCRIPTION="The universal proxy platform."
HOMEPAGE="https://sing-box.sagernet.org/ https://github.com/SagerNet/sing-box"
SRC_URI="
	https://github.com/SagerNet/sing-box/archive/refs/tags/v${_PV}.tar.gz -> ${P}.tar.gz
	https://github.com/gentoo-zh/gentoo-deps/releases/download/${P}/${P}-vendor.tar.xz
"

S="${WORKDIR}/${PN}-${_PV}"

LICENSE="GPL-3+"
SLOT="0"
KEYWORDS="~amd64 ~arm64 ~riscv"

IUSE="+quic grpc +dhcp +wireguard +utls +acme +clash-api v2ray-api +gvisor tor +tailscale"

RDEPEND="
	acct-group/${PN}
	acct-user/${PN}
"

src_compile() {
	local mytags
	use quic && mytags+="with_quic,"
	use grpc && mytags+="with_grpc,"
	use dhcp && mytags+="with_dhcp,"
	use wireguard && mytags+="with_wireguard,"
	use utls && mytags+="with_utls,"
	use acme && mytags+="with_acme,"
	use clash-api && mytags+="with_clash_api,"
	use v2ray-api && mytags+="with_v2ray_api,"
	use gvisor && mytags+="with_gvisor,"
	use tor && mytags+="with_embedded_tor,"
	use tailscale && mytags+="with_tailscale,"

	ego build -tags "${mytags%,}" \
		-ldflags "-X 'github.com/sagernet/sing-box/constant.Version=${PV}'" \
		./cmd/sing-box

	mkdir -v completions
	./sing-box completion bash >completions/sing-box
	./sing-box completion fish >completions/sing-box.fish
	./sing-box completion zsh >completions/_sing-box
}

src_install() {
	dobin sing-box

	insinto /etc/sing-box
	newins release/config/config.json config.json.example

	doinitd release/config/sing-box.initd
	systemd_dounit release/config/sing-box.service

	insinto /usr/share/dbus-1/system.d
	newins release/config/sing-box-split-dns.xml sing-box-dns.conf

	insinto /usr/share/polkit-1/rules.d
	doins release/config/sing-box.rules

	dobashcomp completions/sing-box
	dofishcomp completions/sing-box.fish
	dozshcomp completions/_sing-box
}